GRIMSELITE
Chemical Formula: Na(UO2)(CO3)3 · H2O
Familly: Carbonates
Status: IMA-A
Crystal System: Hexagonal
Mineral for Display: No
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Bluish Green | | | Short Waves (254 nm): | Bluish Green | | | | | | |
Phosphorescence (in the common meaning of the term) seen by naked eye:
No phosphorescence seen by naked eye whatever the type of UV
Comments:
It is easily distinguished from associated schroeckingerite wich shows a much stronger fluorescence.
Main Activator(s) and spectrum:
Most Common Activator: (UO2)2+ (Uranyl ion) intrinsic
No spectrum for the moment
Best Locality for luminescence(*):
- Rovnost Mine, Jáchymov, Jáchymov District, Krušné Hory Mts, Karlovy Vary Region, Czech Republic;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
Luminescence Reference on internet:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Grimselite
http://webmineral.com/data/Grimselite.shtml
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